A constellation of stars hit the fashion scene Thursday in a hodgepodge of styles ranging from flashy and eccentric to modest and unadorned. Rihanna stepped out looking futuristic in head-to-toe Louis Vuitton, Julianne Moore went classic in Prada, Ali Larter opted for poofy in pink Marchesa, and Kylie was hot in a curve-clinging jersey dress. Last night’s hits and misses caught our Style Radar!